.exam-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.timer {
    font-size: 18px;
    color: #ff5722;
    font-weight: bold;
}

.question-item {
    margin-bottom: 25px;
    padding: 15px;
    background: #f8f8f8;
    border-radius: 4px;
}

.question-title {
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: bold;
}

.question-image img {
    max-width: 100%;
    margin-bottom: 15px;
    border: 1px solid #eee;
}

.option-item {
    margin: 10px 0;
    display: flex;
    align-items: flex-start;
}

.option-item input {
    margin-top: 5px;
    margin-right: 8px;
}

.option-item img {
    max-width: 200px;
    margin-left: 10px;
    border: 1px solid #eee;
}

.answer-input, .answer-textarea {
    width: 100%;
    margin-top: 10px;
}

.action-btns {
    text-align: center;
    margin: 30px 0;
}

#submitBtn {
    margin-left: 20px;
}